Five out of six residents of Mayville have library cards. Which tool will best allow Darren to simulate this scenario and predict whether a randomly chosen resident has a library card?

A number cube has 6 equally likely outcomes, so Darren can assign 5 outcomes to “has a library card” and 1 outcome to “does not have a library card.” This models the probability 5 out of 6 directly. The correct choice is a number cube.

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